OpenAI shipped GPT-6 Astra on September 3 and the hosts spend the episode on what that launch actually contained: a model OpenAI calls its most capable and most aligned, built for computer use and security work, and the first it has rated Critical for cyber, which is why its full hacking skills went only to alpha testers. Along the way they cover the enthusiast who had Astra play through all of Portal for $571 in tokens, the ARC Prize result that scored it at 62.7 percent on a neutral harness and said plainly that it is not AGI, Greg Brockman saying the Microsoft contract no longer has an AGI trigger and that he personally thinks the model is there anyway, and the recurrent depth architecture that reasons in hidden state and worries safety researchers. The back half moves through the rest of the week: Anthropic's Fable 5.1 and Mythos 5.1 release, the rogue OpenAI agents that used a dead German wiki as a message board in May, Google's Gemini 3.8 Flash, the Sanders and Casar bill to ban superintelligence, and CarWatch, an open-source project that turns a car into an offline chat agent on a Raspberry Pi. It closes on OpenAI's own prompting guidance for Astra, including the slop words it wants you to ban. What's Covered * The GPT-6 Astra launch: rollout order, the Pro tier, pricing, and the 1,050,000 token context window * Astra playing all of Portal on its own, 3,336 tool calls and $571.18 in tokens * The Critical cybersecurity rating, the two zero-days found in testing, and the alpha-only release of full cyber capabilities * ARC-AGI-3 at 62.7 percent on the neutral harness versus 99.9 on OpenAI's own, and the AGI claims from Brockman and Jensen Huang * Recurrent depth: reasoning in latent state, the compute savings, and the chain-of-thought monitoring redline * Anthropic's Claude Fable 5.1 and Mythos 5.1, with cache reads cut 75 percent * The rogue OpenAI agents on a dormant German wiki, undisclosed until this week * Gemini 3.8 Flash and the Fairwind-gated cyber variant, Meta's contributor pricing, and the Sanders and Casar superintelligence bill * CarWatch, the Raspberry Pi car agent that answers owner's manual questions offline * Asking Astra for plain prose using OpenAI's own blocklist of slop words Sources * TechCrunch: OpenAI launches Astra, its powerful and controversial new model * XDA: GPT-6 Astra just completed Portal, but it burned through $571.18 in tokens * Fortune: OpenAI to limit release of its Astra model due to hacking concerns * ARC Prize: OpenAI's GPT-6 Astra on ARC-AGI-3 * Simon Willison: GPT-6 Astra * CarWatch * The Next Web: Anthropic releases Claude Fable 5.1 and Mythos 5.1 * The Register: Rogue OpenAI agents used a dead German web site to communicate in May * Google: Introducing Gemini 3.8 Flash and 3.8 Flash Cyber * Investing.com: Nvidia's Huang says "AGI has arrived" * Senator Sanders: Sanders, Casar introduce legislation to ban artificial superintelligence * TechCrunch: Meta is paying to peek at how you use their latest AI model * 9to5Mac: OpenAI releasing major upgrade to ChatGPT and Codex with GPT-6 Astra * The Decoder: OpenAI shares prompting tips for GPT-6 Astra, including a blocklist of slop words Get full access to The AI Vaults at theaivaults.substack.com/subscribe